Local marine and defence infrastructure

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The floating dock is an integral part of the AMC’s common use infrastructure and has assisted many industry sectors to deliver major projects. Since commissioning in February 2010, the dock has lifted over 100 vessels for the defence, marine, oil and gas, and mining sectors.

Measuring 99 metres x 53 metres (Stage 1), the AMC floating dock can lift vessels up to 12,000 tonnes out of the water for service and maintenance and transfer vessels up to 4,000 tonnes onto a hard-stand.

The dock services the Royal Australian Navy vessels including the Collins submarines and ANZAC frigates. Stage 2 will see the floating dock’s lifting capacity increased to 28,000t with a total length of 232m. Stage 1 and Stage 2 will be able to operate independently or as an integrated unit.

Stage 1, Stage 2 and the combination of both deliver different and increasing capacity to support RAN vessels and submarines in WA.

Currently all WA based RAN vessels, except the support ship HMAS Sirius, can be docked at the AMC. In the future, with the completion of the proposed Stage 2 of the floating dock, the following classes of RAN vessels will also be able to be docked on the West Coast:

  • Canberra Class landing helicopter dock
  • Hobart Class air warfare destroyer
  • HMAS Choules
  • Replacement naval supply ships
  • Future frigates
  • Future offshore combatant vessels

While it is acknowledged that a number of these vessels will be home ported at Fleet Base East, the ability to dock them on the West Coast gives a strategic advantage to the RAN. Most of the infrastructure required for larger docking operations at the AMC is already complete. The 18-metre deep sink pocket is already dredged to accommodate the full length of the combined docks. The proposed Stage 2 of the floating dock has been designed and costed. Special features include:

  • Dock 1 interfaces with wharf to permit transfer of ships to and from dock
  • State of the art control system
  • Manoeuvring capability to move dock from wharf to dredge pocket
  • Dock 1 and 2 combined lifting capacity is 28,000t with a total length of 232m

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